add interface

src/Battery.cpp

@@ -78,12 +78,17 @@ uint8_t Battery::level(uint16_t voltage)
 	}
 }
 
+uint16_t Battery::voltage(uint16_t rawMiliVolts)
+{
+ return rawMiliVolts * dividerRatio;
+}
+
 uint16_t Battery::voltage()
 {
 	if (activationPin != 0xFF)
 	{
 		digitalWrite(activationPin, activationMode);
-		log_i("activationPin on");
+		log_v("activationPin on");
 		delayMicroseconds(10); // copes with slow switching activation circuits
 	}
 	readFunction(sensePin);
@@ -92,9 +97,9 @@ uint16_t Battery::voltage()
 	if (activationPin != 0xFF)
 	{
 		digitalWrite(activationPin, !activationMode);
-		log_i("activationPin off");
+		log_v("activationPin off");
 	}
-	log_i("BatteryRead: %d", reading);
+	log_v("BatteryRead: %d", reading);
 
 	return reading;
 }

src/Battery.h

@@ -74,6 +74,7 @@ class Battery {
 		 * Returns the current battery voltage in millivolts.
 		 */
 		uint16_t voltage();
+		uint16_t voltage(uint16_t rawMilliVolts);
 
 	private:
 		uint16_t refVoltage;